Finding the Fourth Proportional to 440,125,600.05, 660,188,400.09 and 310,985,437.05
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Solution
The fourth proportional to 440,125,600.05, 660,188,400.09 and 310,985,437.05 is: 466,478,155.59
Step by Step Solution
- Step 1: Write the proportion equation
440,125,600.05 : 660,188,400.09 = 310,985,437.05 : x - Step 2: Convert to fraction form
440,125,600.05/660,188,400.09 = 310,985,437.05/x - Step 3: Cross multiply
440,125,600.05x = 660,188,400.09 × 310,985,437.05 - Step 4: Simplify right side
440,125,600.05x = 205,308,978,137,328,928 - Step 5: Solve for x
x = 205,308,978,137,328,928/440,125,600.05 - Step 6: Final answer
x = 466,478,155.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.